If the kids stay indoors all the time and get no exercise, they _________ weak.
#36690
A
become
B
have become
C
will become
D
became
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In fact he knows this place very well, for he ________ there three times.
#36329
A
has been
B
has been to
C
has gone
D
has gone to
My school life _________in the past few years.
#38168
A
has changed
B
changed
C
have been changes
D
is changing
—Why is the classroom so dirty?—Sorry，sir. It yesterday, We forgot to do it.
#39874
A
doesn’t clean
B
didn’t clean
C
isn’t cleaned
D
wasn’t cleaned
— Do you know ______ yesterday afternoon?— Sorry, I’ve no idea.
#42047
A
where was Tom
B
where Tom was
C
where is Tom
D
where Tom is